颈膨大相当于C~T水平,腰膨大相当于L~S水平。
第三产程时胎盘剥离征象,哪项是正确的() ["A.子宫轮廓不清,质软","B.阴道大量流血","C.轻压子宫下段时,外露脐带有回缩","D.脐带长度缩短","E.宫体变硬球形,宫底升高达脐上"]
自耻骨联合下缘到骶骨岬上缘中点间的距离是() ["A.对角径","B.真结合径","C.骨盆入口前后径","D.中骨盆前后径","E.以上均不正确"]
面神经麻痹的分类?
宫颈口扩张活跃期是指() ["A.宫口扩张2cm到宫口开全","B.宫口扩张3cm到宫口开全","C.宫口扩张3cm到宫口近开全","D.宫口扩张4cm到宫口开全","E.宫口扩张4cm到宫口近开全"]
什么是晕厥?